hi ,. i have centos 64 bit with kernel 3.7.5 compiled with tproxy features . i noted that in rush hour , squid squid guard is bypassing . i noted that squid is using only 1 cpu . here is output sample: =============== [root@squid squid-3.3.1]# mpstat -u Linux 3.7.5 (squid) 03/05/2013 _x86_64_ (24 CPU) 09:10:10 AM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle 09:10:10 AM all 5.10 0.00 1.70 14.09 0.00 0.44 0.00 0.00 78.67 [root@squid squid-3.3.1]# mpstat -P ALL Linux 3.7.5 (squid) 03/05/2013 _x86_64_ (24 CPU) 09:10:17 AM CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle 09:10:17 AM all 5.10 0.00 1.70 14.09 0.00 0.44 0.00 0.00 78.67 09:10:17 AM 0 8.63 0.00 2.67 30.17 0.00 0.15 0.00 0.00 58.37 09:10:17 AM 1 12.35 0.01 4.50 27.91 0.00 0.44 0.00 0.00 54.79 09:10:17 AM 2 5.51 0.00 1.96 27.65 0.00 0.06 0.00 0.00 64.81 09:10:17 AM 3 7.17 0.00 2.16 22.10 0.00 0.06 0.00 0.00 68.51 09:10:17 AM 4 5.15 0.00 1.93 27.29 0.00 0.06 0.00 0.00 65.56 09:10:17 AM 5 7.63 0.00 1.83 18.54 0.00 0.06 0.00 0.00 71.93 09:10:17 AM 6 5.18 0.00 1.90 28.46 0.00 0.07 0.00 0.00 64.40 09:10:17 AM 7 6.73 0.00 1.45 14.06 0.00 0.05 0.00 0.00 77.70 09:10:17 AM 8 5.19 0.00 1.82 28.47 0.00 0.06 0.00 0.00 64.46 09:10:17 AM 9 6.95 0.00 1.28 10.67 0.00 0.04 0.00 0.00 81.06 09:10:17 AM 10 5.54 0.00 1.78 28.10 0.00 0.06 0.00 0.00 64.51 09:10:17 AM 11 6.68 0.00 1.25 9.02 0.00 0.05 0.00 0.00 83.00 09:10:17 AM 12 1.30 0.00 0.43 9.27 0.00 0.00 0.00 0.00 89.00 09:10:17 AM 13 8.05 0.00 3.83 2.68 0.00 2.61 0.00 0.00 82.83 09:10:17 AM 14 3.37 0.00 1.55 7.86 0.00 0.79 0.00 0.00 86.43 09:10:17 AM 15 6.85 0.00 3.27 2.39 0.00 2.12 0.00 0.00 85.36 09:10:17 AM 16 3.49 0.00 1.61 8.03 0.00 0.83 0.00 0.00 86.03 09:10:17 AM 17 1.78 0.00 0.20 3.02 0.00 0.12 0.00 0.00 94.87 09:10:17 AM 18 1.24 0.00 0.38 8.08 0.00 0.00 0.00 0.00 90.29 09:10:17 AM 19 4.86 0.00 2.17 2.64 0.00 1.51 0.00 0.00 88.82 09:10:17 AM 20 1.15 0.00 0.34 8.03 0.00 0.00 0.00 0.00 90.48 09:10:17 AM 21 5.07 0.00 2.27 2.26 0.00 1.57 0.00 0.00 88.83 09:10:17 AM 22 1.16 0.00 0.35 8.83 0.00 0.00 0.00 0.00 89.66 09:10:17 AM 23 1.75 0.00 0.16 1.75 0.00 0.00 0.00 0.00 96.34 =========================== now i will try to migrate to squid 3.2 to the stable version , i had a look on http://wiki.squid-cache.org/ConfigExamples/MultiCpuSystem now if i use squid 3.2 stable , will it support smp feature of using multiple cpu by default or i have compile it with smp enable ? also , do i need more config to operate smp on it is configured by default ??? best regards with my best regards -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/squid-performance-is-low-because-only-1-cpu-is-being-used-tp4658844.html Sent from the Squid - Users mailing list archive at Nabble.com.
